icon The HOMER 2 Interface

HOMER's user interface is designed to simplify the task of entering data, and provides many formats for viewing results.

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Main Window

HOMER's Help system provides detailed information about using the software and how it works, as well as links to Web sites with resource information. The Getting Started Guide walks you through the steps of a complete analysis to help you learn to use the software on your own. You can download a PDF version of the Getting Started Guide by clicking Getting Started Guide in the navigation menu above.

Getting Started

The schematic displays the components that HOMER will simulate and allows you to quickly access technical and economic data for each component.


Load, Component and Resource windows are where you enter, import, or synthesize information about electric demand, component capacity and costs, and resource availability.


Wind Component

Wind Resource

Optimization and Sensitivity windows allow you to enter values when you want to use HOMER to optimize a system design for lowest lifecycle cost, or when you want to perform a sensitivity analysis on an input variable.

Optimization Inputs   Sensitivity Inputs

HOMER displays simulation, optimization, and sensitivity results in tables and graphs. You can export tables to use in a spreadsheet or other software, and graphs to use in reports or presentations.


Click here to try HOMER free for 2 weeks at no cost. You will be asked to create an account, but no credit card is required.